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US3135837A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable stereophonic record player

Assignee: Individual
•
Filing: 1959-07-09
•
Granted: 1964-06-02
•
Expires: 1979-07-09
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Abstract

No abstract record available.

Inventors

  • 👤 Arthur K Tateishi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 14:42
CPC Classifications
G; G11; G11B; G11B25/00; G11B25/04

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 222 words
A PORTABLE AUTOMATIC CHANGER STEREOPHONIC RECORD PLAYER COMPRISING A BOTTOM HOUSING SUPPORTING AT THE TOP THEREOF AN AUTOMATIC RECORD CHANGER HAVING A RESILIENTLY MOUNTED TURNTABLE, A RECORD RECEIVING SPINDLE PROJECTING UPWARDLY FROM THE CENTRE OF SAID TURNTABLE, A TONE ARM HAVING A PICK UP RESPONSIVE TO THE GROOVING OF A STEREOPHONICALLY GROOVED RECORD TO PRODUCE A DUAL SIGNAL OUTPUT SWINGABLE TO A REST POSITION AT ONE SIDE OF SAID TURNTABLE SUBSTANTIALLY BELOW THE TOP OF SAID SPINDLE, AND A RECORD SUPPORT ARM SWINGABLY MOVABLE LATERALLY AND DOWNWARDLY TO A REST POSITION AT ONE SIDE OF SAID TURNTABLE IMMEDIATELY ADJACENT TO SAID TONE ARM SUBSTANTIALLY BELOW THE TOP OF SAID SPINDLE, DUAL AMPLIFIER MEANS FOR AMPLIFYING THE DUAL SIGNAL OUTPUT OF SAID PICK UP, AND DUAL SPEAKER MEANS FOR REPRODUCING THE OUTPUTS OF SAID DUAL AMPLIFIER MEANS, AND A COVER STRUCTURE ADAPTED TO CO-OPERATE WITH SAID BOTTOM HOUSING TO MOVE TO A CLOSED POSITION COVERING SAID RECORD CHANGER, AT LEAST ONE OF SAID DUAL SPEAKER MEANS BEING CARRIED BY SAID COVER STRUCTURE TO OCCUPY WHEN SAID COVER STRUCTURE IS IN THE CLOSED POSITION SPACE IMMEDIATELY ABOVE SAID TURNTABLE WITH SAID LATTER SPEAKER MEANS LYING SUBSTANTIALLY WHOLLY BELOW THE UPPER END OF SAID SPINDLE, SAID COVER STRUCTURE HAVING A SURFACE, IN THE CLOSED POSITION, ADAPTED TO ENGAGE SAID TURNTABLE AND SUBSTANTIALLY RESTRAIN MOVEMENT THEREOF.

References Cited (Backward Citations)

FR909299A Cited
US2973207A Cited
FR1215356A Cited
US2923370A Cited
FR1227343A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-06-02 1967-12-02 1968-06-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-06-02 1971-12-02 1972-06-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-06-02 1975-12-02 1976-06-02 $7700.00 Window Closed / Lapsed

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